ash/wm/window_cycle_controller_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/wm/window_cycle_controller.h"
   6
   7 #include <algorithm>
   8
   9 #include "ash/session/session_state_delegate.h"
  10 #include "ash/shelf/shelf.h"
  11 #include "ash/shelf/shelf_widget.h"
  12 #include "ash/shell.h"
  13 #include "ash/shell_window_ids.h"
  14 #include "ash/test/ash_test_base.h"
  15 #include "ash/test/shelf_test_api.h"
  16 #include "ash/test/shelf_view_test_api.h"
  17 #include "ash/test/test_shelf_delegate.h"
  18 #include "ash/test/test_shell_delegate.h"
  19 #include "ash/wm/window_cycle_list.h"
  20 #include "ash/wm/window_state.h"
  21 #include "ash/wm/window_util.h"
  22 #include "base/memory/scoped_ptr.h"
  23 #include "ui/aura/client/aura_constants.h"
  24 #include "ui/aura/client/screen_position_client.h"
  25 #include "ui/aura/env.h"
  26 #include "ui/aura/test/test_windows.h"
  27 #include "ui/aura/window.h"
  28 #include "ui/aura/window_event_dispatcher.h"
  29 #include "ui/gfx/geometry/rect.h"
  30 #include "ui/gfx/screen.h"
  31
  32 namespace ash {
  33
  34 using aura::test::CreateTestWindowWithId;
  35 using aura::test::TestWindowDelegate;
  36 using aura::Window;
  37
  38 class WindowCycleControllerTest : public test::AshTestBase {
  39  public:
  40   WindowCycleControllerTest() {}
  41   ~WindowCycleControllerTest() override {}
  42
  43   void SetUp() override {
  44     test::AshTestBase::SetUp();
  45     ASSERT_TRUE(test::TestShelfDelegate::instance());
  46
  47     shelf_view_test_.reset(new test::ShelfViewTestAPI(
  48         test::ShelfTestAPI(Shelf::ForPrimaryDisplay()).shelf_view()));
  49     shelf_view_test_->SetAnimationDuration(1);
  50   }
  51
  52   aura::Window* CreatePanelWindow() {
  53     gfx::Rect rect(100, 100);
  54     aura::Window* window = CreateTestWindowInShellWithDelegateAndType(
  55         NULL, ui::wm::WINDOW_TYPE_PANEL, 0, rect);
  56     test::TestShelfDelegate::instance()->AddShelfItem(window);
  57     shelf_view_test_->RunMessageLoopUntilAnimationsDone();
  58     return window;
  59   }
  60
  61  private:
  62   scoped_ptr<test::ShelfViewTestAPI> shelf_view_test_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(WindowCycleControllerTest);
  65 };
  66
  67 TEST_F(WindowCycleControllerTest, HandleCycleWindowBaseCases) {
  68   WindowCycleController* controller =
  69       Shell::GetInstance()->window_cycle_controller();
  70
  71   // Cycling doesn't crash if there are no windows.
  72   controller->HandleCycleWindow(WindowCycleController::FORWARD);
  73
  74   // Create a single test window.
  75   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
  76   wm::ActivateWindow(window0.get());
  77   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  78
  79   // Cycling works for a single window, even though nothing changes.
  80   controller->HandleCycleWindow(WindowCycleController::FORWARD);
  81   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  82 }
  83
  84 // Verifies if there is only one window and it isn't active that cycling
  85 // activates it.
  86 TEST_F(WindowCycleControllerTest, SingleWindowNotActive) {
  87   WindowCycleController* controller =
  88       Shell::GetInstance()->window_cycle_controller();
  89
  90   // Create a single test window.
  91   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
  92   wm::ActivateWindow(window0.get());
  93   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  94
  95   // Rotate focus, this should move focus to another window that isn't part of
  96   // the default container.
  97   Shell::GetInstance()->RotateFocus(Shell::FORWARD);
  98   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
  99
 100   // Cycling should activate the window.
 101   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 102   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 103 }
 104
 105 TEST_F(WindowCycleControllerTest, HandleCycleWindow) {
 106   WindowCycleController* controller =
 107       Shell::GetInstance()->window_cycle_controller();
 108
 109   // Set up several windows to use to test cycling.  Create them in reverse
 110   // order so they are stacked 0 over 1 over 2.
 111   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 112   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 113   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 114   wm::ActivateWindow(window0.get());
 115
 116   // Simulate pressing and releasing Alt-tab.
 117   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 118   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 119
 120   // Window lists should return the topmost window in front.
 121   ASSERT_TRUE(controller->window_cycle_list());
 122   ASSERT_EQ(3u, controller->window_cycle_list()->windows().size());
 123   ASSERT_EQ(window0.get(), controller->window_cycle_list()->windows()[0]);
 124   ASSERT_EQ(window1.get(), controller->window_cycle_list()->windows()[1]);
 125   ASSERT_EQ(window2.get(), controller->window_cycle_list()->windows()[2]);
 126
 127   controller->StopCycling();
 128   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 129
 130   // Pressing and releasing Alt-tab again should cycle back to the most-
 131   // recently-used window in the current child order.
 132   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 133   controller->StopCycling();
 134   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 135
 136   // Pressing Alt-tab multiple times without releasing Alt should cycle through
 137   // all the windows and wrap around.
 138   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 139   EXPECT_TRUE(controller->IsCycling());
 140   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 141
 142   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 143   EXPECT_TRUE(controller->IsCycling());
 144   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 145
 146   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 147   EXPECT_TRUE(controller->IsCycling());
 148   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 149
 150   controller->StopCycling();
 151   EXPECT_FALSE(controller->IsCycling());
 152   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 153
 154   // Reset our stacking order.
 155   wm::ActivateWindow(window2.get());
 156   wm::ActivateWindow(window1.get());
 157   wm::ActivateWindow(window0.get());
 158
 159   // Likewise we can cycle backwards through all the windows.
 160   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 161   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 162   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 163   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 164   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 165   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 166   controller->StopCycling();
 167   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 168
 169   // When the screen is locked, cycling window does not take effect.
 170   Shell::GetInstance()->session_state_delegate()->LockScreen();
 171   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 172   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 173   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 174   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 175   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 176
 177   Shell::GetInstance()->session_state_delegate()->UnlockScreen();
 178   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 179   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 180   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 181   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 182   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 183
 184   // When a modal window is active, cycling window does not take effect.
 185   aura::Window* modal_container =
 186       ash::Shell::GetContainer(
 187           Shell::GetPrimaryRootWindow(),
 188           kShellWindowId_SystemModalContainer);
 189   scoped_ptr<Window> modal_window(
 190       CreateTestWindowWithId(-2, modal_container));
 191   modal_window->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_SYSTEM);
 192   wm::ActivateWindow(modal_window.get());
 193   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 194   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 195   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 196   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
 197   EXPECT_FALSE(wm::IsActiveWindow(window1.get()));
 198   EXPECT_FALSE(wm::IsActiveWindow(window2.get()));
 199   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 200   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 201   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
 202   EXPECT_FALSE(wm::IsActiveWindow(window1.get()));
 203   EXPECT_FALSE(wm::IsActiveWindow(window2.get()));
 204 }
 205
 206 // Cycles between a maximized and normal window.
 207 TEST_F(WindowCycleControllerTest, MaximizedWindow) {
 208   // Create a couple of test windows.
 209   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 210   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 211   wm::WindowState* window1_state = wm::GetWindowState(window1.get());
 212   window1_state->Maximize();
 213   window1_state->Activate();
 214   EXPECT_TRUE(window1_state->IsActive());
 215
 216   // Rotate focus, this should move focus to window0.
 217   WindowCycleController* controller =
 218       Shell::GetInstance()->window_cycle_controller();
 219   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 220   EXPECT_TRUE(wm::GetWindowState(window0.get())->IsActive());
 221
 222   // One more time.
 223   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 224   EXPECT_TRUE(window1_state->IsActive());
 225 }
 226
 227 // Cycles to a minimized window.
 228 TEST_F(WindowCycleControllerTest, Minimized) {
 229   // Create a couple of test windows.
 230   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 231   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 232   wm::WindowState* window0_state = wm::GetWindowState(window0.get());
 233   wm::WindowState* window1_state = wm::GetWindowState(window1.get());
 234
 235   window1_state->Minimize();
 236   window0_state->Activate();
 237   EXPECT_TRUE(window0_state->IsActive());
 238
 239   // Rotate focus, this should move focus to window1 and unminimize it.
 240   WindowCycleController* controller =
 241       Shell::GetInstance()->window_cycle_controller();
 242   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 243   EXPECT_FALSE(window1_state->IsMinimized());
 244   EXPECT_TRUE(window1_state->IsActive());
 245
 246   // One more time back to w0.
 247   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 248   EXPECT_TRUE(window0_state->IsActive());
 249 }
 250
 251 TEST_F(WindowCycleControllerTest, AlwaysOnTopWindow) {
 252   WindowCycleController* controller =
 253       Shell::GetInstance()->window_cycle_controller();
 254
 255   // Set up several windows to use to test cycling.
 256   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 257   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 258
 259   Window* top_container =
 260       Shell::GetContainer(
 261           Shell::GetPrimaryRootWindow(),
 262           kShellWindowId_AlwaysOnTopContainer);
 263   scoped_ptr<Window> window2(CreateTestWindowWithId(2, top_container));
 264   wm::ActivateWindow(window0.get());
 265
 266   // Simulate pressing and releasing Alt-tab.
 267   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 268   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 269
 270   // Window lists should return the topmost window in front.
 271   ASSERT_TRUE(controller->window_cycle_list());
 272   ASSERT_EQ(3u, controller->window_cycle_list()->windows().size());
 273   EXPECT_EQ(window0.get(), controller->window_cycle_list()->windows()[0]);
 274   EXPECT_EQ(window2.get(), controller->window_cycle_list()->windows()[1]);
 275   EXPECT_EQ(window1.get(), controller->window_cycle_list()->windows()[2]);
 276
 277   controller->StopCycling();
 278   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 279
 280   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 281   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 282
 283   controller->StopCycling();
 284
 285   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 286   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 287
 288   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 289   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 290
 291   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 292   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 293 }
 294
 295 TEST_F(WindowCycleControllerTest, AlwaysOnTopMultiWindow) {
 296   WindowCycleController* controller =
 297       Shell::GetInstance()->window_cycle_controller();
 298
 299   // Set up several windows to use to test cycling.
 300   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 301   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 302
 303   Window* top_container =
 304       Shell::GetContainer(
 305           Shell::GetPrimaryRootWindow(),
 306           kShellWindowId_AlwaysOnTopContainer);
 307   scoped_ptr<Window> window2(CreateTestWindowWithId(2, top_container));
 308   scoped_ptr<Window> window3(CreateTestWindowWithId(3, top_container));
 309   wm::ActivateWindow(window0.get());
 310
 311   // Simulate pressing and releasing Alt-tab.
 312   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 313   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 314
 315   // Window lists should return the topmost window in front.
 316   ASSERT_TRUE(controller->window_cycle_list());
 317   ASSERT_EQ(4u, controller->window_cycle_list()->windows().size());
 318   EXPECT_EQ(window0.get(), controller->window_cycle_list()->windows()[0]);
 319   EXPECT_EQ(window3.get(), controller->window_cycle_list()->windows()[1]);
 320   EXPECT_EQ(window2.get(), controller->window_cycle_list()->windows()[2]);
 321   EXPECT_EQ(window1.get(), controller->window_cycle_list()->windows()[3]);
 322
 323   controller->StopCycling();
 324   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 325
 326   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 327   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 328
 329   controller->StopCycling();
 330
 331   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 332   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 333
 334   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 335   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 336
 337   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 338   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 339
 340   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 341   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 342 }
 343
 344 TEST_F(WindowCycleControllerTest, AlwaysOnTopMultipleRootWindows) {
 345   if (!SupportsMultipleDisplays())
 346     return;
 347
 348   // Set up a second root window
 349   UpdateDisplay("1000x600,600x400");
 350   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 351   ASSERT_EQ(2U, root_windows.size());
 352
 353   WindowCycleController* controller =
 354       Shell::GetInstance()->window_cycle_controller();
 355
 356   Shell::GetInstance()->set_target_root_window(root_windows[0]);
 357
 358   // Create two windows in the primary root.
 359   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 360   EXPECT_EQ(root_windows[0], window0->GetRootWindow());
 361   Window* top_container0 =
 362       Shell::GetContainer(
 363           root_windows[0],
 364           kShellWindowId_AlwaysOnTopContainer);
 365   scoped_ptr<Window> window1(CreateTestWindowWithId(1, top_container0));
 366   EXPECT_EQ(root_windows[0], window1->GetRootWindow());
 367
 368   // And two on the secondary root.
 369   Shell::GetInstance()->set_target_root_window(root_windows[1]);
 370   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 371   EXPECT_EQ(root_windows[1], window2->GetRootWindow());
 372
 373   Window* top_container1 =
 374       Shell::GetContainer(
 375           root_windows[1],
 376           kShellWindowId_AlwaysOnTopContainer);
 377   scoped_ptr<Window> window3(CreateTestWindowWithId(3, top_container1));
 378   EXPECT_EQ(root_windows[1], window3->GetRootWindow());
 379
 380   // Move the active root window to the secondary.
 381   Shell::GetInstance()->set_target_root_window(root_windows[1]);
 382
 383   wm::ActivateWindow(window2.get());
 384
 385   EXPECT_EQ(root_windows[0], window0->GetRootWindow());
 386   EXPECT_EQ(root_windows[0], window1->GetRootWindow());
 387   EXPECT_EQ(root_windows[1], window2->GetRootWindow());
 388   EXPECT_EQ(root_windows[1], window3->GetRootWindow());
 389
 390   // Simulate pressing and releasing Alt-tab.
 391   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 392   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 393
 394   // Window lists should return the topmost window in front.
 395   ASSERT_TRUE(controller->window_cycle_list());
 396   ASSERT_EQ(4u, controller->window_cycle_list()->windows().size());
 397   EXPECT_EQ(window2.get(), controller->window_cycle_list()->windows()[0]);
 398   EXPECT_EQ(window3.get(), controller->window_cycle_list()->windows()[1]);
 399   EXPECT_EQ(window1.get(), controller->window_cycle_list()->windows()[2]);
 400   EXPECT_EQ(window0.get(), controller->window_cycle_list()->windows()[3]);
 401
 402   controller->StopCycling();
 403   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 404
 405   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 406   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 407
 408   controller->StopCycling();
 409
 410   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 411   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 412
 413   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 414   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 415
 416   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 417   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 418
 419   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 420   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 421 }
 422
 423 TEST_F(WindowCycleControllerTest, MostRecentlyUsed) {
 424   WindowCycleController* controller =
 425       Shell::GetInstance()->window_cycle_controller();
 426
 427   // Set up several windows to use to test cycling.
 428   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 429   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 430   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 431
 432   wm::ActivateWindow(window0.get());
 433
 434   // Simulate pressing and releasing Alt-tab.
 435   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 436   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 437
 438   // Window lists should return the topmost window in front.
 439   ASSERT_TRUE(controller->window_cycle_list());
 440   ASSERT_EQ(3u, controller->window_cycle_list()->windows().size());
 441   EXPECT_EQ(window0.get(), controller->window_cycle_list()->windows()[0]);
 442   EXPECT_EQ(window2.get(), controller->window_cycle_list()->windows()[1]);
 443   EXPECT_EQ(window1.get(), controller->window_cycle_list()->windows()[2]);
 444
 445   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 446   controller->StopCycling();
 447   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 448
 449
 450   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 451   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 452
 453   controller->StopCycling();
 454
 455   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 456   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 457
 458   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 459   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 460
 461   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 462   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 463 }
 464
 465 // Tests that beginning window selection hides the app list.
 466 TEST_F(WindowCycleControllerTest, SelectingHidesAppList) {
 467   WindowCycleController* controller =
 468       Shell::GetInstance()->window_cycle_controller();
 469
 470   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 471   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 472   Shell::GetInstance()->ShowAppList(NULL);
 473   EXPECT_TRUE(Shell::GetInstance()->GetAppListTargetVisibility());
 474   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 475   EXPECT_FALSE(Shell::GetInstance()->GetAppListTargetVisibility());
 476 }
 477
 478 // Tests that cycling through windows shows and minimizes windows as they
 479 // are passed.
 480 TEST_F(WindowCycleControllerTest, CyclePreservesMinimization) {
 481   WindowCycleController* controller =
 482       Shell::GetInstance()->window_cycle_controller();
 483
 484   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 485   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 486   wm::ActivateWindow(window1.get());
 487   wm::GetWindowState(window1.get())->Minimize();
 488   wm::ActivateWindow(window0.get());
 489   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 490
 491   // On window 2.
 492   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 493   EXPECT_FALSE(wm::IsWindowMinimized(window1.get()));
 494
 495   // Back on window 1.
 496   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 497   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 498
 499   controller->StopCycling();
 500
 501   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 502 }
 503
 504 // Tests cycles between panel and normal windows.
 505 TEST_F(WindowCycleControllerTest, CyclePanels) {
 506   WindowCycleController* controller =
 507       Shell::GetInstance()->window_cycle_controller();
 508
 509   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 510   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 511   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 512   wm::ActivateWindow(window0.get());
 513   wm::ActivateWindow(panel1.get());
 514   wm::ActivateWindow(panel0.get());
 515   EXPECT_TRUE(wm::IsActiveWindow(panel0.get()));
 516
 517   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 518   controller->StopCycling();
 519   EXPECT_TRUE(wm::IsActiveWindow(panel1.get()));
 520
 521   // Cycling again should select the most recently used panel.
 522   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 523   controller->StopCycling();
 524   EXPECT_TRUE(wm::IsActiveWindow(panel0.get()));
 525
 526   // Cycling twice again should select the first window.
 527   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 528   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 529   controller->StopCycling();
 530   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 531 }
 532
 533 // Tests cycles between panel and normal windows.
 534 TEST_F(WindowCycleControllerTest, CyclePanelsDestroyed) {
 535   WindowCycleController* controller =
 536       Shell::GetInstance()->window_cycle_controller();
 537
 538   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 539   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 540   scoped_ptr<aura::Window> window2(CreateTestWindowInShellWithId(2));
 541   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 542   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 543   wm::ActivateWindow(window2.get());
 544   wm::ActivateWindow(panel1.get());
 545   wm::ActivateWindow(panel0.get());
 546   wm::ActivateWindow(window1.get());
 547   wm::ActivateWindow(window0.get());
 548   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 549
 550   // Cycling once highlights window2.
 551   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 552   // All panels are destroyed.
 553   panel0.reset();
 554   panel1.reset();
 555   // Cycling again should now select window2.
 556   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 557   controller->StopCycling();
 558   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 559 }
 560
 561 // Tests cycles between panel and normal windows.
 562 TEST_F(WindowCycleControllerTest, CycleMruPanelDestroyed) {
 563   WindowCycleController* controller =
 564       Shell::GetInstance()->window_cycle_controller();
 565
 566   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 567   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 568   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 569   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 570   wm::ActivateWindow(panel1.get());
 571   wm::ActivateWindow(panel0.get());
 572   wm::ActivateWindow(window1.get());
 573   wm::ActivateWindow(window0.get());
 574   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 575
 576   // Cycling once highlights window2.
 577   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 578
 579   // Panel 1 is the next item as the MRU panel, removing it should make panel 2
 580   // the next window to be selected.
 581   panel0.reset();
 582   // Cycling again should now select panel1.
 583   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 584   controller->StopCycling();
 585   EXPECT_TRUE(wm::IsActiveWindow(panel1.get()));
 586 }
 587
 588 }  // namespace ash